Hard Numbers: Don Jr. banned, sick migrants rescued, food-insecure Southern Africans, a big find in Siberia

12: Donald Trump Jr. was banned from Twitter for 12 hours after violating the social media platform's misinformation rules by sharing a video touting the (unproven) benefits of hydroxychloroquine to treat the coronavirus. Supporters of his father, US President Donald Trump — a compulsive tweeter and fan of hydroxychloroquine himself — often claim that social media giants are censoring conservative voices. Will Twitter dare ban the tweeter-in-chief?

65: 65 out of 94 migrants rescued on Monday off the coast of Malta have tested positive for COVID-19. Their nationalities are unknown, but local authorities believe their boat sailed from Libya, from where each year tens of thousands of Africans try to cross the Mediterranean Sea into Europe.

45 million: Almost 45 million people across Southern Africa now lack sufficient access to nutritious food due to droughts, flooding and pandemic-related lockdowns, according to a new report by the Southern African Development Community. The number of food-insecure people in the region has jumped by nearly 10% year-on-year.

10,000: Russian scientists have discovered the well-preserved remains of a woolly mammoth believed to be at least 10,000 years old in a north Siberian lake. Such major finds are becoming more frequent as climate change is thawing huge areas of the Russian permafrost near the Arctic Circle.